Admira Yamamoto was the main strategist of the attack. Although he had serious concerns about a war with the United States, as Admiral he had a responsibility and a duty to for fill . The air assault of Pearl Harbor was his idea.
Yamamoto wisely believed in the superiority of naval air power over battleships. Many of his colleagues did not agree. They were proven wrong at Pearl Harbor.
Most of Japan considered the attack successful, he did not. His goal was to annihilate the whole US Pacific Fleet including all the air craft carriers. However, none of the carriers were in port at the time of the attack.
Yamamoto wisely believed in the superiority of naval air power over battleships. Many of his colleagues did not agree. They were proven wrong at Pearl Harbor.
Most of Japan considered the attack successful, he did not. His goal was to annihilate the whole US Pacific Fleet including all the air craft carriers. However, none of the carriers were in port at the time of the attack.